Assignee
Inventors
- Keizo Konoki (7 patents)
- Takanobu Shinohara (6 patents)
- Ikuyoshi Kochi (3 patents)
- Toshio Anzai (5 patents)
- Hisakatsu Nishihara (6 patents)
- Junichi Sugitani (15 patents)
- Koji Tsuchida (8 patents)
US Patent 4444732 · Granted Apr 24, 1984